PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/05/15-05:43:10 G10 269.0 39.2 5.7 +/- 1.47 8.4 +/- 1.47 0.220 / 0.390 G13 41.2 17.1 3.5 +/- 1.31 8.4 +/- 1.31 0.170 / 0.400 G15 57.2 47.3 5.0 +/- 0.74 6.6 +/- 0.74 0.110 / 0.240 G16 276.6 11.4 3.9 +/- 6.18 10.6 +/- 6.18 0.310 / 0.240 G20 356.0 67.6 3.9 +/- 0.58 4.2 +/- 0.58 0.040 / 0.040 G21 6.4 72.8 4.4 +/- 0.82 4.6 +/- 0.82 0.040 / 0.040 G24 118.6 15.3 5.5 +/- 1.12 13.6 +/- 1.12 0.120 / 0.210 G27 317.6 20.6 3.5 +/- 2.46 7.7 +/- 2.46 0.120 / 0.220 G29 168.4 29.7 5.4 +/- 0.98 9.5 +/- 0.98 0.100 / 0.230 G32 204.2 12.3 0.5 +/- 21.82 1.3 +/- 21.82 0.140 / 0.260